For someone 6 feet tall (182.9 cm), a healthy weight is 61.9 to 83.3 kg by the WHO BMI range, or up to 76.6 kg by the Asian range used in India. Ideal body weight averages 76 kg for a man and 71 kg for a woman.
| Weight (kg) | Weight (lb) | BMI | WHO category | Asian category |
|---|---|---|---|---|
| 53.5 kg | 118 lb | 16 | Underweight | Underweight |
| 56.9 kg | 125 lb | 17 | Underweight | Underweight |
| 61.9 kg | 136 lb | 18.5 | Healthy | Healthy |
| 66.9 kg | 147 lb | 20 | Healthy | Healthy |
| 70.2 kg | 155 lb | 21 | Healthy | Healthy |
| 73.6 kg | 162 lb | 22 | Healthy | Healthy |
| 76.9 kg | 170 lb | 23 | Healthy | Overweight |
| 80.3 kg | 177 lb | 24 | Healthy | Overweight |
| 83.6 kg | 184 lb | 25 | Overweight | Obese |
| 87 kg | 192 lb | 26 | Overweight | Obese |
| 92 kg | 203 lb | 27.5 | Overweight | Obese |
| 100.3 kg | 221 lb | 30 | Obese | Obese |
| 108.7 kg | 240 lb | 32.5 | Obese | Obese |
| 117.1 kg | 258 lb | 35 | Obese | Obese |
| 133.8 kg | 295 lb | 40 | Obese | Obese |
At 6 feet, overweight starts at 83.6 kg (WHO) or 76.9 kg (Asian cut-off), and obesity at 100.3 kg (WHO) or 83.6 kg (Asian).
| Formula | Man | Woman |
|---|---|---|
| Devine (1974) | 77.6 kg (171 lb) | 73.1 kg (161 lb) |
| Robinson (1983) | 74.8 kg (165 lb) | 69.4 kg (153 lb) |
| Miller (1983) | 73.1 kg (161 lb) | 69.4 kg (153 lb) |
| Hamwi (1964) | 80.4 kg (177 lb) | 71.9 kg (159 lb) |
| Average of the four | 76.5 kg (169 lb) | 71 kg (156 lb) |
Ideal body weight (IBW) formulas were designed for medicine doses, not as a target, and they ignore frame size and muscle. Use them alongside the healthy BMI range.
Keep your waist under half your height: under 91 cm (36 inches) at 6'0". Waist-to-height ratio predicts heart and diabetes risk better than BMI alone, especially for South Asian adults.
| Waist-to-height | Waist at 6'0" | Meaning |
|---|---|---|
| Under 0.4 | under 73 cm | May be too slim |
| 0.4 – 0.49 | 73–90 cm | Healthy |
| 0.5 – 0.59 | 91–108 cm | Increased risk |
| 0.6 or more | 110 cm or more | High risk |
A healthy weight for a woman 6 feet tall is 62–83 kg (BMI 18.5–24.9), or 62–77 kg for Asian women. Ideal body weight formulas give 69–73 kg.
A healthy weight for a man 6 feet tall is 62–83 kg (BMI 18.5–24.9), or 62–77 kg for Asian men. Ideal body weight formulas give 73–80 kg.
At 183 cm, aim for 62–83 kg. Above 84 kg is overweight by WHO standards (77 kg by Asian standards).
6 feet is 182.9 cm (72 inches × 2.54).